<template>
  <div class="kline-chart-container">
    <h2 class="dashboard-title">碳市场行情 - 国家统一碳排放权交易市场</h2>

    <!-- 行情数据展示区域 -->
    <el-row :gutter="20" class="market-info">
      <el-col :span="4">
        <el-card class="stat-card">
          <div class="stat-content">
            <span>最新价格：</span>
            <b class="highlight-red">91.45</b>
          </div>
        </el-card>
      </el-col>

      <el-col :span="4">
        <el-card class="stat-card">
          <div class="stat-content">
            <div>
              <span>涨幅：</span>
              <b class="highlight-red">1.46%</b>
            </div>
            <div>
              <span>跌幅：</span>
              <b>1.32</b>
            </div>
          </div>
        </el-card>
      </el-col>

      <el-col :span="4">
        <el-card class="stat-card">
          <div class="stat-content">
            <div>
              <span>开盘：</span>
              <b class="highlight-blue">89.90</b>
            </div>
            <div>
              <span>收盘：</span>
              <b>90.13</b>
            </div>
          </div>
        </el-card>
      </el-col>

      <el-col :span="4">
        <el-card class="stat-card">
          <div class="stat-content">
            <div>
              <span>最高：</span>
              <b class="highlight-red">92.17</b>
            </div>
            <div>
              <span>最低：</span>
              <b class="highlight-blue">89.90</b>
            </div>
          </div>
        </el-card>
      </el-col>

      <el-col :span="4">
        <el-card class="stat-card">
          <div class="stat-content">
            <div>
              <span>挂牌成交量：</span>
              <b>10.05万吨</b>
            </div>
            <div>
              <span>挂牌成交额：</span>
              <b>919.74万元</b>
            </div>
          </div>
        </el-card>
      </el-col>
    </el-row>

    <!-- K线图区域 -->
    <el-card class="chart-card">
      <div ref="kChart" style="height: 500px;"></div>
    </el-card>
  </div>
</template>

<script>
import * as echarts from "echarts";

export default {
  mounted() {
    this.initKLineChart();
  },
  methods: {
    splitData(rawData) {
      const categoryData = [];
      const values = [];
      rawData.forEach((item) => {
        categoryData.push(item[0]);
        values.push(item.slice(1));
      });
      return { categoryData, values };
    },
    calculateMA(dayCount, data) {
      const result = [];
      for (let i = 0; i < data.length; i++) {
        if (i < dayCount) {
          result.push("-");
          continue;
        }
        const sum = data
          .slice(i - dayCount, i)
          .reduce((acc, cur) => acc + cur[1], 0);
        result.push(sum / dayCount);
      }
      return result;
    },
    initKLineChart() {
      const data0 = this.splitData([
        ['2024/1/24', 2320.26, 2320.26, 2287.3, 2362.94],
        ['2024/1/25', 2300, 2291.3, 2288.26, 2308.38],
        ['2024/1/28', 2295.35, 2346.5, 2295.35, 2346.92],
        ['2024/1/29', 2347.22, 2358.98, 2337.35, 2363.8],
        ['2024/1/30', 2360.75, 2382.48, 2347.89, 2383.76],
        ['2024/1/31', 2383.43, 2385.42, 2371.23, 2391.82],
        ['2024/2/1', 2377.41, 2419.02, 2369.57, 2421.15],
        ['2024/2/4', 2425.92, 2428.15, 2417.58, 2440.38],
        ['2024/2/5', 2411, 2433.13, 2403.3, 2437.42],
        ['2024/2/6', 2432.68, 2434.48, 2427.7, 2441.73],
        ['2024/2/7', 2430.69, 2418.53, 2394.22, 2433.89],
        ['2024/2/8', 2416.62, 2432.4, 2414.4, 2443.03],
        ['2024/2/18', 2441.91, 2421.56, 2415.43, 2444.8],
        ['2024/2/19', 2420.26, 2382.91, 2373.53, 2427.07],
        ['2024/2/20', 2383.49, 2397.18, 2370.61, 2397.94],
        ['2024/2/21', 2378.82, 2325.95, 2309.17, 2378.82],
        ['2024/2/22', 2322.94, 2314.16, 2308.76, 2330.88],
        ['2024/2/25', 2320.62, 2325.82, 2315.01, 2338.78],
        ['2024/2/26', 2313.74, 2293.34, 2289.89, 2340.71],
        ['2024/2/27', 2297.77, 2313.22, 2292.03, 2324.63],
        ['2024/2/28', 2322.32, 2365.59, 2308.92, 2366.16],
        ['2024/3/1', 2364.54, 2359.51, 2330.86, 2369.65],
        ['2024/3/4', 2332.08, 2273.4, 2259.25, 2333.54],
        ['2024/3/5', 2274.81, 2326.31, 2270.1, 2328.14],
        ['2024/3/6', 2333.61, 2347.18, 2321.6, 2351.44],
        ['2024/3/7', 2340.44, 2324.29, 2304.27, 2352.02],
        ['2024/3/8', 2326.42, 2318.61, 2314.59, 2333.67],
        ['2024/3/11', 2314.68, 2310.59, 2296.58, 2320.96],
        ['2024/3/12', 2309.16, 2286.6, 2264.83, 2333.29],
        ['2024/3/13', 2282.17, 2263.97, 2253.25, 2286.33],
        ['2024/3/14', 2255.77, 2270.28, 2253.31, 2276.22],
        ['2024/3/15', 2269.31, 2278.4, 2250, 2312.08],
        ['2024/3/18', 2267.29, 2240.02, 2239.21, 2276.05],
        ['2024/3/19', 2244.26, 2257.43, 2232.02, 2261.31],
        ['2024/3/20', 2257.74, 2317.37, 2257.42, 2317.86],
        ['2024/3/21', 2318.21, 2324.24, 2311.6, 2330.81],
        ['2024/3/22', 2321.4, 2328.28, 2314.97, 2332],
        ['2024/3/25', 2334.74, 2326.72, 2319.91, 2344.89],
        ['2024/3/26', 2318.58, 2297.67, 2281.12, 2319.99],
        ['2024/3/27', 2299.38, 2301.26, 2289, 2323.48],
        ['2024/3/28', 2273.55, 2236.3, 2232.91, 2273.55],
        ['2024/3/29', 2238.49, 2236.62, 2228.81, 2246.87],
        ['2024/4/1', 2229.46, 2234.4, 2227.31, 2243.95],
        ['2024/4/2', 2234.9, 2227.74, 2220.44, 2253.42],
        ['2024/4/3', 2232.69, 2225.29, 2217.25, 2241.34],
        ['2024/4/8', 2196.24, 2211.59, 2180.67, 2212.59],
        ['2024/4/9', 2215.47, 2225.77, 2215.47, 2234.73],
        ['2024/4/10', 2224.93, 2226.13, 2212.56, 2233.04],
        ['2024/4/11', 2236.98, 2219.55, 2217.26, 2242.48],
        ['2024/4/12', 2218.09, 2206.78, 2204.44, 2226.26],
        ['2024/4/15', 2199.91, 2181.94, 2177.39, 2204.99],
        ['2024/4/16', 2169.63, 2194.85, 2165.78, 2196.43],
        ['2024/4/17', 2195.03, 2193.8, 2178.47, 2197.51],
        ['2024/4/18', 2181.82, 2197.6, 2175.44, 2206.03],
        ['2024/4/19', 2201.12, 2244.64, 2200.58, 2250.11],
        ['2024/4/22', 2236.4, 2242.17, 2232.26, 2245.12],
        ['2024/4/23', 2242.62, 2184.54, 2182.81, 2242.62],
        ['2024/4/24', 2187.35, 2218.32, 2184.11, 2226.12],
        ['2024/4/25', 2213.19, 2199.31, 2191.85, 2224.63],
        ['2024/4/26', 2203.89, 2177.91, 2173.86, 2210.58],
        ['2024/5/2', 2170.78, 2174.12, 2161.14, 2179.65],
        ['2024/5/3', 2179.05, 2205.5, 2179.05, 2222.81],
        ['2024/5/6', 2212.5, 2231.17, 2212.5, 2236.07],
        ['2024/5/7', 2227.86, 2235.57, 2219.44, 2240.26],
        ['2024/5/8', 2242.39, 2246.3, 2235.42, 2255.21],
        ['2024/5/9', 2246.96, 2232.97, 2221.38, 2247.86],
        ['2024/5/10', 2228.82, 2246.83, 2225.81, 2247.67],
        ['2024/5/13', 2247.68, 2241.92, 2231.36, 2250.85],
        ['2024/5/14', 2238.9, 2217.01, 2205.87, 2239.93],
        ['2024/5/15', 2217.09, 2224.8, 2213.58, 2225.19],
        ['2024/5/16', 2221.34, 2251.81, 2210.77, 2252.87],
        ['2024/5/17', 2249.81, 2282.87, 2248.41, 2288.09],
        ['2024/5/20', 2286.33, 2299.99, 2281.9, 2309.39],
        ['2024/5/21', 2297.11, 2305.11, 2290.12, 2305.3],
        ['2024/5/22', 2303.75, 2302.4, 2292.43, 2314.18],
        ['2024/5/23', 2293.81, 2275.67, 2274.1, 2304.95],
        ['2024/5/24', 2281.45, 2288.53, 2270.25, 2292.59],
        ['2024/5/27', 2286.66, 2293.08, 2283.94, 2301.7],
        ['2024/5/28', 2293.4, 2321.32, 2281.47, 2322.1],
        ['2024/5/29', 2323.54, 2324.02, 2321.17, 2334.33],
        ['2024/5/30', 2316.25, 2317.75, 2310.49, 2325.72],
        ['2024/5/31', 2320.74, 2300.59, 2299.37, 2325.53],
        ['2024/6/3', 2300.21, 2299.25, 2294.11, 2313.43],
        ['2024/6/4', 2297.1, 2272.42, 2264.76, 2297.1],
        ['2024/6/5', 2270.71, 2270.93, 2260.87, 2276.86],
        ['2024/6/6', 2264.43, 2242.11, 2240.07, 2266.69],
        ['2024/6/7', 2242.26, 2210.9, 2205.07, 2250.63],
        ['2024/6/13', 2190.1, 2148.35, 2126.22, 2190.1]

      ]);

      const chartDom = this.$refs.kChart;
      const myChart = echarts.init(chartDom);

      const option = {
        backgroundColor: "#0e2439",
        tooltip: { trigger: "axis", axisPointer: { type: "cross" } },
        legend: {
          data: ["日K", "MA5", "MA10"],
          textStyle: { color: "#fff" },
        },
        grid: { left: "10%", right: "10%", bottom: "15%" },
        xAxis: {
          type: "category",
          data: data0.categoryData,
          boundaryGap: false,
          axisLine: { onZero: false },
          splitLine: { show: false },
        },
        yAxis: {
          scale: true,
          splitArea: { show: true },
        },
        dataZoom: [
          { type: "inside", start: 50, end: 100 },
          { show: true, type: "slider", top: "90%", start: 50, end: 100 },
        ],
        series: [
          {
            name: "日K",
            type: "candlestick",
            data: data0.values,
            itemStyle: {
              color: "#ec0000",
              color0: "#00da3c",
              borderColor: "#8A0000",
              borderColor0: "#008F28",
            },
          },
          {
            name: "MA5",
            type: "line",
            data: this.calculateMA(5, data0.values),
            smooth: true,
            lineStyle: { opacity: 0.5, color: "#FFD700" },
          },
          {
            name: "MA10",
            type: "line",
            data: this.calculateMA(10, data0.values),
            smooth: true,
            lineStyle: { opacity: 0.5, color: "#FF4500" },
          },
        ],
      };

      myChart.setOption(option);
    },
  },
};
</script>

<style scoped>
.carbon-market-dashboard {
  padding: 20px;
  background-color: #f0f4ff;
  border-radius: 8px;
}

.dashboard-title {
  color: #1e88e5;
  font-weight: bold;
  margin-bottom: 20px;
  text-align: center;
}

.market-info {
  margin-bottom: 20px;
}

.stat-card {
  background-color: rgba(255, 255, 255, 0.8);
  border-radius: 8px;
  text-align: center;
  padding: 10px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.stat-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin-bottom: 5px;
}

.highlight-red {
  color: #f5222d;
  font-size: 20px;
}

.highlight-blue {
  color: #1e88e5;
  font-size: 20px;
}


.chart-card {
  background-color: #0e2439;
  padding: 20px;
  border-radius: 8px;
}
</style>
